Attachment for educational globes.



' A. c. FRIES. ATTACHMENT FOR EDUCATIONAL GLOBBS.

APPLICATION FILED JAN-I10 Patented Dec.20-,1910.

2 sums-511mm.

BLUE

"mull-III.

I I l IIIIIIIIII-IIIIIIIIIIII 1: NCRRIS PETERS co., wAs HmGmn u c A. c.FRIES. ATTACHMENT FOR EDUCATIONAL GLOBES. APPL IOA'IION FILED JAN. 10',1910.

Patented Dec.20,1910.

m mam UNITED STATES PATENT OFFICE.

ALBERT G. FRIES, OF GROVE CITY, OHIO.

ATTACHMENT FOR EDUCATIONAL GLOBES.

Specification of Letters Patent.

Patented Dec. 20, 1910.

Application filed January 10, 1910; Serial No. 537,103.

My invention relates to the improvement of attachments for educationalglobes.

The objects of my invention are to pro vide an improved attachment forglobes of the class mentioned, comprising means for indicating thechanges in the days of the week at the international date line; tocombine therewith improved means for indi cating the variations in timethroughout the earth; to so construct my improved attachment as toproduce the desired indications or demonstrations by imparting a rotarymovement to the globe and to produce other improvements the details ofwhich will be more fully pointed out hereinafter. These objects Iaccomplish in the manner illustrated in the accompanying drawings, inwhich Figure l is a view in elevation of a globe having my attachmentthereon, Fig. 2 is a view partly in perspective and partly in sectionillustrating the positions of the bands which encircle the globe, Fig. 3is an enlarged sectional view through the bands on line w--w of Fig. 1,Fig. 4 is a view in elevation of the globe taken at right angles fromthat shown in Fig. 1, Fig. 5 is a plan view of the globe and attachmentsshown in Fig. 1, Fig. 6 is a detail View in elevation illustrating themanner of adjustably connecting the ends of the inner band whichencircles and is carried by the globe, Fig. 7 is a longitudinal sectionon line y--- of Fig. 2, and, Fig. 8 is an outer face view of theconnected end portions of the outer stationary band.

Similar numerals refer to similar parts throughout the several views.

I employ my attachment in connection with an ordinary educational globesuch as indicated at 1, upon which appears a map of the earths surface,said globe having its lower side pivotally mounted in any usual or wellknown manner upon a stationary base 2. Surrounding the globe at itsgreat est diameter and fitting snugly thereon is an inner band 3, whichcomprises a strip of sheet metal, the adjacent ends of which are'provided on their upper and lower sides U with angular brackets 4 theoutwardly proecting members of which are formed with threaded openings,the internal threads of the openings of each pair of said bracketprojections being respectively right and left hand or of reversedinclination. The threaded openings of each pair of these bracketprojections receive an adjusting and connecting screw 5, the threads ofwhich on one side of the center of the length of the screw are righthand threads and those on the other side of the center of the length,are left hand threads, to conform to the inbers 4.

In order to draw the ends of the band 3 toward each. other or force thesame away from each other as may be desired in using the band 011 globesof different sizes, I provide the center of the length of the connectingscrew with a fixed nut or finger wheel 5 to facilitate the rotating ofthe screw. The base or lower edge portion of the band 3 is formedthroughout its length, with an out wardly projecting flange 3 With thebase2 or the pivot sleeve which rises therefrom is rigidly connected acurved outwardly and upwardly extending arm 6 the upper termination ofwhich is on the outer side of the central portion of the globe. Theupper end of the arm 6 engages a socket member 7 which is formed in thecentral outwardly project-- ing arm of a bracket or connecting plate 7.This plate serves as indicated more clearly in Fig. 2 of the drawing, toconnect the ends of a band 8 which is on the outer side of and separatedfrom the inner band 3, said band 8 being supported by the arm 6 with itslower edge above the flange 3 of the band 3. The band 8 is capable ofbeing adjusted with reference to the size of the circle described.

thereby, this adjustment being accomplished by forming in one wing ofthe plate 7 a slotted opening 7 through which a screw 7 passes andengages the band 8. It is obvious that this screw may be loosened andthe ends of the band brought nearer to each other or moved away fromeach other and the screw again tightened to hold the band end in its newposition. The lower half of the band 8 is suitably distinguished fromthe upper half thereof preferably by coloring the same and we willassume in the present instance that the lower half of the band 8.

is of a blue color. The upper half of the ,ternal threads of theopenings in the memband 8 above the colored portion has suitably appliedthereto at equidistant points on its face, numerals indicating the hoursof the day.

Beneath the coupling plate 7, the band 8 is separated by a comparativelywide opening 9, the upper end of this opening connecting on one sidewith a horizontal slit 10 formed in the body of the band, which resultsin the formation of a more or less flexible tongue member 10 in saidband. One end of the band 8 which is on the opposite side of the opening9 from the end of the tongue 10 and which is opposite the upper portionof the arm 6, is slightly thickened or enlarged as indicated at 8*, saidthickened portion having a tapering or beveled extension or terminationas shown more clearly in Fig. 7. To the upper face of the flange 3 ofthe band 3 at a point opposite the international date line on the globe,I pivot at the center of its length a short link or bar 11, the pivotpoint being indicated at 11*. Thebar 11 is of such thickness to permitof its traveling beneath the band 8 and of such length as to cause oneof its ends to project outward beyond the flange 3, while the other endthereof is between the stationary band 8 and the globe band 3. One endof the bar 11 is provided with an upwardly projecting pin 12 whichengages a loop in one end of a band 13, the outer end of this band beingof a different color from the band 8 and which color we will assume isred. The remaining end of the band 13 is connected with a pin 141 whichis on the remaining end of the bar 11.

It will be understood that when the pivot pin of the bar 11 is in theposition shown in Figs. 5 and 7 of the drawing, that is, opposite theupper portion of the arm or standard 6, substantially all of the band 13will be incased between the bands 8 and 3, with the result that theouter blue color of the band 8 only will be exposed, said blue coloredband indicating one day of the week, which for example, we will say isMonday. It will thus be understood that it will be midnight at allplaces on the globe opposite the arm 6. hen the globe is turned,however, in the direction of the arrow in Fig. 7, it is obvious that thecorresponding movement imparted to the band 3 and its flange 3, willresult in drawing that end of the band 13 which is connected with thepin 14, outward through the opening 9, the red band thus being drawn inthe direction of the moving globe along the outer side of the fixed band8, the red color indicating a succeeding day of the week which in thepresent case, will be Tuesday. It will therefore be understood that atall points on the globe opposite the exposed red surface of the band 13,it will be Tuesday, while on that space of the globe which is oppositethe exposed blue surface, it will be Monday. It will also be understoodthat the division between the two days will occur at the point oppositethe pivot 11 of the bar 11. The moving of the band 13 to pointsimmediately beneath the hour numerals on the upper portion of the band8, will cause such numerals to indi' cate the time of day in that partof the world which is opposite said band end.

It will be understood that when a complete revolution of the globe hasbeen made, substantially all of the band 8 willbe covered by the redband 13 and that as the movement of the globe is continued, that end ofthe band which engages the pin 12 will be drawn in through the opening 9and again gradually incased between the bands 8 and 3. In order tofacilitate the movement of the rounded ends of the band 13 inward andoutward through the opening 9, I have provided the beveled head ortermination 8 on the band 8, the inner and outer bevels of said headacting to guide the ends of the band inward and outward through saidopening.

In order to make one end of the band 13 more flexible and permit it tobend in its passage in and out of the opening 9, I have provided theslit 10 in said band.

From the foregoing description, it will be seen that simple andefficient means are herein provided for accomplishing the objects of theinvention, but while the elements shown and described are well adaptedto serve the purposes for which they are intended, it is to beunderstood that the invention is not limited to the precise construction set forth, but includes within its purview such changes as maybe made within the scope of the appended claims.

WVhat I claim, is-

1. In an educational globe and attachment therefor, the combination witha rotatably mounted globe body, afixed arm extending to a point oppositethe center of the height of the globe and an external band carried bythe upper end of said arm and encircling the globe at a distancetherefrom, said band connected with said arm and having an openingtherein as described, of a band carried by the globe and having a baseflange, abar pivoted on said base flange, and a flexible band having itsends pivotally engaging the ends of said bar, said lastnamed band andsaid external band being of different colors or otherwise treated so asto be readily distinguished one from the other, said flexible band,during one revolution of the globe, being drawn over and partiallyconcealing the external band, and during the succeeding revolution ofthe globe, being drawn into and concealed by said external band.

2. In an educational globe and attachment therefor, the combination witha rotatably mounted globe body, a fixed arm eX- tending to a pointopposite the center of the height of the globe and an external bandcarried by the upper end of said arm and encircling the globe at adistance therefrom, said band connected with said arm and having anopening therein and having hour indications on its upper portion, of aband carried by the globe and having a base flange, a bar pivoted onsaid base flange, and a flexible band having its ends pivotally engagingthe ends of said bar, said last named band and said external band beingof different colors or otherwise treated so as to be readilydistinguished one from the other,

and means for changing the circumferenceof the external band and theglobe carrying band, said flexible band, during one revolution of theglobe, being drawn over and partially concealing the external band, andduring the succeeding revolution of the globe, being drawn into andconcealed by said external band.

In testimony whereof I afiix my signature in presence of two witnesses.

ALBERT C. FRIES.

Vitnesses A. L, PHELPs, C. C. SHEPHERD.

